Update the alpha port to use the new syscons.

Submitted by: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> (partly)

1 files changed, 242 insertions, 0 deletions

diff --git a/sys/dev/atkbdc/atkbdc_isa.c b/sys/dev/atkbdc/atkbdc_isa.c
new file mode 100644
index 0000000..4435e1e
--- /dev/null
+++ b/sys/dev/atkbdc/atkbdc_isa.c
@@ -0,0 +1,242 @@
+/*-
+ * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer as
+ *    the first lines of this file unmodified.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id: $
+ */
+
+#include "atkbdc.h"
+#include "opt_kbd.h"
+
+#if NATKBDC > 0
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/bus.h>
+#include <sys/malloc.h>
+
+#include <dev/kbd/atkbdcreg.h>
+
+#include <isa/isareg.h>
+#include <isa/isavar.h>
+
+MALLOC_DEFINE(M_ATKBDDEV, "atkbddev", "AT Keyboard device");
+
+/* children */
+typedef struct atkbdc_device {
+	int flags;	/* configuration flags */
+	int port;	/* port number (same as the controller's) */
+	int irq;	/* ISA IRQ mask */
+} atkbdc_device_t;
+
+/* kbdc */
+devclass_t atkbdc_devclass;
+
+static int	atkbdc_probe(device_t dev);
+static int	atkbdc_attach(device_t dev);
+static void	atkbdc_print_child(device_t bus, device_t dev);
+static int	atkbdc_read_ivar(device_t bus, device_t dev, int index,
+				 u_long *val);
+static int	atkbdc_write_ivar(device_t bus, device_t dev, int index,
+				  u_long val);
+
+static device_method_t atkbdc_methods[] = {
+	DEVMETHOD(device_probe,		atkbdc_probe),
+	DEVMETHOD(device_attach,	atkbdc_attach),
+
+	DEVMETHOD(bus_print_child,	atkbdc_print_child),
+	DEVMETHOD(bus_read_ivar,	atkbdc_read_ivar),
+	DEVMETHOD(bus_write_ivar,	atkbdc_write_ivar),
+	DEVMETHOD(bus_alloc_resource,	bus_generic_alloc_resource),
+	DEVMETHOD(bus_release_resource,	bus_generic_release_resource),
+	DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
+	DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
+	DEVMETHOD(bus_setup_intr,	bus_generic_setup_intr),
+	DEVMETHOD(bus_teardown_intr,	bus_generic_teardown_intr),
+
+	{ 0, 0 }
+};
+
+static driver_t atkbdc_driver = {
+	ATKBDC_DRIVER_NAME,
+	atkbdc_methods,
+	DRIVER_TYPE_MISC,
+	sizeof(atkbdc_softc_t *),
+};
+
+static int
+atkbdc_probe(device_t dev)
+{
+	atkbdc_softc_t *sc;
+	int unit;
+	int error;
+
+	unit = device_get_unit(dev);
+	sc = *(atkbdc_softc_t **)device_get_softc(dev);
+	if (sc == NULL) {
+		/*
+		 * We have to maintain two copies of the kbdc_softc struct,
+		 * as the low-level console needs to have access to the
+		 * keyboard controller before kbdc is probed and attached. 
+		 * kbdc_soft[] contains the default entry for that purpose.
+		 * See atkbdc.c. XXX
+		 */
+		sc = atkbdc_get_softc(unit);
+		if (sc == NULL)
+			return ENOMEM;
+	}
+
+	device_set_desc(dev, "keyboard controller (i8042)");
+
+	error = atkbdc_probe_unit(sc, unit, isa_get_port(dev));
+	if (error == 0)
+		*(atkbdc_softc_t **)device_get_softc(dev) = sc;
+
+	return error;
+}
+
+static void
+atkbdc_add_device(device_t dev, const char *name, int unit)
+{
+	atkbdc_softc_t	*sc = *(atkbdc_softc_t **)device_get_softc(dev);
+	atkbdc_device_t	*kdev;
+	device_t	child;
+	int		t;
+
+	kdev = malloc(sizeof(struct atkbdc_device), M_ATKBDDEV, M_NOWAIT);
+	if (!kdev)
+		return;
+	bzero(kdev, sizeof *kdev);
+
+	kdev->port = sc->port;
+
+	if (resource_int_value(name, unit, "irq", &t) == 0)
+		kdev->irq = t;
+	else
+		kdev->irq = -1;
+
+	if (resource_int_value(name, unit, "flags", &t) == 0)
+		kdev->flags = t;
+	else
+		kdev->flags = 0;
+
+	child = device_add_child(dev, name, unit, kdev);
+}
+
+static int
+atkbdc_attach(device_t dev)
+{
+	atkbdc_softc_t	*sc;
+	int		i;
+
+	sc = *(atkbdc_softc_t **)device_get_softc(dev);
+	if ((sc == NULL) || (sc->port <= 0))
+		return ENXIO;
+
+	/*
+	 * Add all devices configured to be attached to atkbdc0.
+	 */
+	for (i = resource_query_string(-1, "at", "atkbdc0");
+	     i != -1;
+	     i = resource_query_string(i, "at", "atkbdc0")) {
+		atkbdc_add_device(dev, resource_query_name(i),
+				  resource_query_unit(i));
+	}
+
+	/*
+	 * and atkbdc?
+	 */
+	for (i = resource_query_string(-1, "at", "atkbdc");
+	     i != -1;
+	     i = resource_query_string(i, "at", "atkbdc")) {
+		atkbdc_add_device(dev, resource_query_name(i),
+				  resource_query_unit(i));
+	}
+
+	bus_generic_attach(dev);
+
+	return 0;
+}
+
+static void
+atkbdc_print_child(device_t bus, device_t dev)
+{
+	atkbdc_device_t *kbdcdev;
+
+	kbdcdev = (atkbdc_device_t *)device_get_ivars(dev);
+
+	if (kbdcdev->flags != 0)
+		printf(" flags 0x%x", kbdcdev->flags);
+
+	printf(" on %s%d", device_get_name(bus), device_get_unit(bus));
+}
+
+static int
+atkbdc_read_ivar(device_t bus, device_t dev, int index, u_long *val)
+{
+	atkbdc_device_t *ivar;
+
+	ivar = (atkbdc_device_t *)device_get_ivars(dev);
+	switch (index) {
+	case KBDC_IVAR_PORT:
+		*val = (u_long)ivar->port;
+		break;
+	case KBDC_IVAR_IRQ:
+		*val = (u_long)ivar->irq;
+		break;
+	case KBDC_IVAR_FLAGS:
+		*val = (u_long)ivar->flags;
+		break;
+	default:
+		return ENOENT;
+	}
+	return 0;
+}
+
+static int
+atkbdc_write_ivar(device_t bus, device_t dev, int index, u_long val)
+{
+	atkbdc_device_t *ivar;
+
+	ivar = (atkbdc_device_t *)device_get_ivars(dev);
+	switch (index) {
+	case KBDC_IVAR_PORT:
+		ivar->port = (int)val;
+		break;
+	case KBDC_IVAR_IRQ:
+		ivar->irq = (int)val;
+		break;
+	case KBDC_IVAR_FLAGS:
+		ivar->flags = (int)val;
+		break;
+	default:
+		return ENOENT;
+	}
+	return 0;
+}
+
+DRIVER_MODULE(atkbdc, isa, atkbdc_driver, atkbdc_devclass, 0, 0);
+
+#endif /* NATKBDC > 0 */